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Part Modifier

Edit 3D models by adjusting geometry, scale, or units for use in other apps.

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Part Modifier 2

Editing 3D models without CAD data is complicated simple.

The challenge

Modifying 3D models without access to the original CAD data is difficult. Adjusting a mesh often requires complex workarounds or full redesigns. Even small feature changes can take hours and risk damaging the model.

Design automation

Design automation makes these edits faster, easier, and more reliable. It provides guided tools to modify, repair, or adapt existing geometry directly from mesh files – without needing a full CAD workflow or original design data. The process feels intuitive and consistent, helping users make precise adjustments, maintain accuracy, and stay focused on design rather than technical complexity.

The result

The Parts Modifier App is a simple, browser-based tool that lets anyone update and prepare 3D models for downstream steps – such as design or production – in a faster, more efficient way.

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Direct model editing

Make quick adjustments to existing 3D models without opening CAD.

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In-browser transformation

Modify scale, orientation, or geometry directly in your browser.

Part Modifier
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Ready for next steps

Prepare parts for use in other apps in the App Suite.

5 simple steps and your design is ready

Design workflow

Step 1

Import your workpiece

Upload your 3D model directly into the app – no CAD files or conversions needed.

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Step 1
Step 2

Simplify geometry

Reduce model complexity to make downstream steps – such as design or production – faster and more efficient.

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Step 2
Step 3

Rescale dimensions

Adjust size or units with precision so your model matches real-world measurements.

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Step 3
Step 4

Modify the coordinate system

Reorient or reposition your workpiece to align perfectly with other App Suite tools.

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Step 4
Step 1

Export or use in other apps

Export your prepared model as STL or STEP files, or send it directly into another Additive App Suite app for further design or modification.

Export STL
Step 1

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